referring to the genus _Ricinus_, the castor-oil tree ("ricinifolia")
A highly toxic albumin obtained from castor beans that can produce gastroenteritis, hepatic congestion and jaundice, and cardiovascular collapse. It is lethal in minute amounts (1 microgram / kg body weight).
a highly potent toxin produced by castor beans, it contains a ribotoxic A chain (RTA) and a cell-binding B chain.
a poisonous protein found in castor beans.
a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon; "one milligram of ricin can kill an adult"
first isolated from castor oil; ribosome inactivating protein that is extremely toxic when taken into the cell; bound to proteins to form immunotoxins.
A poisonous protein extracted from the castor bean. Ricin is a powerful toxin that can be lethal in extremely small quantities and in the past has been developed by countries for use as a biological weapon.
The protein ricin (pronounced ) is a toxin from the castor bean (Ricinus communis). Ricin can be extracted from castor beans and is known to have an average lethal dose in humans of 0.2 milligrams (1/5,000th of a gram), though some sources give higher figureshttp://www.bt.cdc.gov/agent/ricin/facts.asp http://www.bt.cdc.gov/agent/ricin/facts.asp. It is considered to be twice as deadly as cobra venom.
